private static void AddUserToAdminGroup(string adminGroupName, byte[] userSid)
{
// Add the user's SID to local admins group.
IntPtr userSidNative = Marshal.AllocHGlobal(userSid.Length);
Marshal.Copy(userSid, 0, userSidNative, (int)userSid.Length);
NativeMethods.LOCALGROUP_MEMBERS_INFO_0 info0;
info0.PSID = userSidNative;
NativeMethods.NetUserRetEnum netUserRet = NativeMethods.NetLocalGroupAddMembers(
null,
adminGroupName,
0,
ref info0,
1);
Marshal.FreeHGlobal(userSidNative);
if (NativeMethods.NetUserRetEnum.NerrSuccess != netUserRet)
{
FailWithError("NetLocalGroupAddMembers", netUserRet: netUserRet);
}
}
private static void FailWithError(
string method,
NativeMethods.NetUserRetEnum netUserRet = NativeMethods.NetUserRetEnum.NerrSuccess)
{
int error;
string message;
if (NativeMethods.NetUserRetEnum.NerrSuccess != netUserRet)
{
error = (int)netUserRet;
message = netUserRet.ToString();
}
else
{
error = Marshal.GetLastWin32Error();
message = new Win32Exception(error).Message;
}
Logger.Warning("{0} failed with error {1}: {2}", method, error, message);
throw new Win32Exception(error, message);
}
